听力课堂

内容介绍：This is the VOA SpecialEnglish Science Report.Three scientists have won the Nobel Prize in Medicine fordiscovering how genes and molecules control cell division in livingorganisms. The scientists are Paul Nurse and R. Timothy Hunt ofBritain and Lelan... >>详细内容

内容介绍：This is the VOA SpecialEnglish SCIENCE REPORT.The Royal Swedish Academy of Sciences has announced the winnersof the Nobel Prizes for physics and chemistry. The winners of eachprize will share almost one-million dollars.Two Americans and a German won ... >>详细内容

内容介绍：This is the VOA SpecialEnglish SCIENCE REPORT.Russian and Norwegian scientists have reported finding stoneobjects and animal bones in the far north of European Russia. Thescientists say the objects provide the first evidence that ancienthunters lived... >>详细内容

内容介绍：This is the VOA SpecialEnglish Science Report.The United States government has approved a new device that womencan use to prevent pregnancy for a month at a time. The device iscalled the NuvaRing. It uses hormones to prevent pregnancy. Itoffers anoth... >>详细内容

内容介绍：This is the VOA SpecialEnglish SCIENCE REPORT.Graphic ImageMany people fear the small flyinganimals called bats. There are stories about bats attacking peopleand drinking human blood. However, bats are not a threat to people.In fact, they are an impo... >>详细内容

内容介绍：This is the VOA SpecialEnglish Science Report.Researchers in the United States are beginning a study to see ifa weaker version of an existing vaccine can protect people againstthe disease smallpox.Smallpox is caused by the variola virus. It spreads f... >>详细内容

内容介绍：This is the VOA SpecialEnglish SCIENCE REPORT.Rush Limbaugh has the most popular radio talk show in the UnitedStates. His talk show is broadcast on six-hundred radio stations. Asmany as twenty-million people listen every week. People telephonethe sho... >>详细内容

内容介绍：This is the VOA SpecialEnglish Science Report.Sometimes in the month of November, a special event happens inthe sky that observers may remember for a lifetime. The event ismore than a meteor shower. It is a meteor storm.Meteors are pieces of rock fro... >>详细内容

内容介绍：This is the VOA SpecialEnglish SCIENCE REPORT.Scientists report they have created the smallest device to carryelectrical current ever made. The device is called a transistor. Itis about one-million times smaller than a grain of sand.Transistors are u... >>详细内容

内容介绍：This is the VOA SpecialEnglish Science Report.Last week, medical researchers at the Mayo Clinic in Rochester,Minnesota announced that they have developed a new test that canquickly identify the anthrax bacteria.The bacteria have been found in letters... >>详细内容

内容介绍：This is the VOA SpecialEnglish SCIENCE REPORT.American scientists have reported finding the largest completeremains of a cockroach ever discovered. The scientists say theinsect was about the size of a small animal. They say it livedthree-hundred-mill... >>详细内容

内容介绍：This is the VOA SpecialEnglish Science Report.A new study shows that large amounts of vitamins and minerals canslow the loss of sight linked to aging. The condition is called agerelated macular degeneration or A-M-D. The disease is a major causeof bl... >>详细内容

内容介绍：This is the VOA SpecialEnglish SCIENCE REPORT.For many years, officials of the National Institutes of Healthhave told Americans that they need to get enough sleep to stayhealthy and perform well. In the past, the N-I-H targeted specialgroups, like dr... >>详细内容

内容介绍：This is the VOA SpecialEnglish Science Report.The National Science Foundation is providing ten-million dollarsto develop a program that will permit astronomers to sharescientific information. The program is called the National VirtualObservatory. The... >>详细内容

内容介绍：This is the VOA SpecialEnglish Science Report.Scientists say they have made an important discovery about how acancerous tumor develops the blood supply that it needs. Theresearchers found that cells from the bone marrow play an importantpart in creat... >>详细内容

内容介绍：Graphic ImageThis is the VOA Special EnglishSCIENCE REPORT.The World Health Organization estimates that more thanfour-million people die each year from the effects of smokingtobacco. That number is increasing.W-H-O officials expect one-hundred-fifty-... >>详细内容

内容介绍：This is the VOA SpecialEnglish Science Report.Medical researchers say older women may be increasing theirchances of developing the disease rheumatoid arthritis if they drinka lot of decaffeinated coffee. Caffeine is a substance naturallyfound in coff... >>详细内容

内容介绍：This is the VOA SpecialEnglish SCIENCE REPORT.Graphic ImageAmerican scientists say they havediscovered the world's smallest lizard. The little reptile is onlyabout sixteen millimeters long. The scientists found it on a smallisland in the Caribbean Se... >>详细内容

内容介绍：This is the VOA SpecialEnglish SCIENCE REPORT.People in Washington, D-C, are celebrating a new arrival.Graphic ImageAn Asian elephant was bornNovember twenty-fifth at the Smithsonian National Zoological Park.The baby elephant weighed almost one-hundr... >>详细内容

内容介绍：This is the VOA SpecialEnglish Science Report.Graphic ImageAn American inventor, Dean Kamen,says he has invented the world's first self-balancing individualtransport vehicle. It is called the Segway Human Transporter.The Segway looks like a long stic... >>详细内容